The Recording Industry Assoc. of Japan (RIAJ) has released production figures for the overall music market for the January to November period of 2009, which show a double-digit decline in audio products.

Total production of audio units for January through November was 196.4 million units and this represents a drop of 13% when compared to the same period a year earlier. Value also fell, with the overall total for the period coming in at 231.2 billion yen ($2.6 billion) - a drop of 14%.

The lion's share of the physical music audio market is CDs, and in total 192.5 million units were produced for a value of 227.8 billion yen ($2.5 billion). These figures also represent a drop of 13% and 14% respectively, compared to a year earlier.

Breaking down CD production, 43.9 million units were of international repertoire, down 15%. The value of this production was 51.6 billion yen ($574 million), down 13%.

However, totaling all music products including music videos reveals slightly better results, showing that the market produced 295.5 million units overall, down 5% from the same period a year earlier. The total value was 401.1 billion yen ($4.47 billion), also down 5%.